Home▸ Forums▸ 68kMLA▸ G5 LCU O-rings — #7 Post #7 by Mars478 Source Forum68kMLA CategoryTroubleshooting Post DateSat, 12 Dec 2009 - 12:50 Original URLhttps://68kmla.org/bb/threads/g5-lcu-o-rings.19257/ Post Coke is an excellent product for "flushing" any crud out of the system - leave it overnight. JB Click to expand... Diet. This was the strategy I used to revive my Mom's iPhone.